A circuit is constructed with five resistors and one realbattery as shown above right. We model. The real battery as anideal emf V = 12 V in series with an internal resistance r as shownabove left. The values for the resistors are: R1 = R3 = 44 O, R4 =R5 = 134 O and R2 = 154 O. The measured voltage across theterminals of the batery is Vbattery = 11.55 V.
What is I1, the current that flows through the resistorR1?
What is r, the internal resistance of thebattery?
What is I3, the current through resistorR3?
What is P2, the power dissipated in resistorR2?
What is V2, the magnitude of the voltage across theresistor R2?
Resistor R2 is now shorted out as shown. How does themagnitude of the voltage across the battery change?
